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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, September 20, 2018 20:46:10

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NOAA Scales mini

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Space Weather Conditions
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
no data
S
no data
G
no data
Current Space Weather Conditions
R1 (Minor) Radio Blackout Impacts
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HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

G2 (Moderate) Geomagnetic Storm Warning issued

G2 Warning and Ovation model
G2 (Moderate) Geomagnetic Storm Warning issued
published: Tuesday, February 27, 2018 14:05 UTC

A G2 (Moderate) geomagnetic storm warning was issued, valid from 27/0430-27/0900 UTC. Stay tuned here for updates.